Home / 19,085.76-26,332.97-12,371.67

Finding the Fourth Proportional to 19,085.76, 26,332.97 and 12,371.67

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Solution

The fourth proportional to 19,085.76, 26,332.97 and 12,371.67 is: 17,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.76 : 26,332.97 = 12,371.67 : x
  2. Step 2: Convert to fraction form
    19,085.76/26,332.97 = 12,371.67/x
  3. Step 3: Cross multiply
    19,085.76x = 26,332.97 × 12,371.67
  4. Step 4: Simplify right side
    19,085.76x = 325,782,753.10
  5. Step 5: Solve for x
    x = 325,782,753.10/19,085.76
  6. Step 6: Final answer
    x = 17,069.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.